GMAT Prep2?? (J Divisible)

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dferm: Master | Next Rank: 500 Posts; Posts: 446; Joined: Thu Jul 26, 2007 1:07 pm; Thanked: 6 times

by dferm » Wed May 14, 2008 5:31 pm

Is the positive integer j divisible by a greater number of different prime numbers than the positive integer k?

(1) j is divisible by 30
(2) k = 1000

Can someone please help..

Thanks.

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Source: Beat The GMAT — Data Sufficiency | Wed May 14, 2008 5:31 pm

mwilliams: Senior | Next Rank: 100 Posts; Posts: 33; Joined: Fri Apr 11, 2008 2:21 pm; Thanked: 3 times

by mwilliams » Wed May 14, 2008 6:29 pm

Is the positive integer j divisible by a greater number of different prime numbers than the positive integer k?

(1) j is divisible by 30
(2) k = 1000

(1)plug in 30 for j, 30 is divisible by 2, 3, & 5
(2) 1000 is divisible by 2 & 5

therefore (1) & (2) together the are sufficient, but insufficient alone

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